CN202190118U - Medium voltage double-power load switch - Google Patents
Medium voltage double-power load switch Download PDFInfo
- Publication number
- CN202190118U CN202190118U CN2011203098713U CN201120309871U CN202190118U CN 202190118 U CN202190118 U CN 202190118U CN 2011203098713 U CN2011203098713 U CN 2011203098713U CN 201120309871 U CN201120309871 U CN 201120309871U CN 202190118 U CN202190118 U CN 202190118U
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- Prior art keywords
- built
- fixed
- contacts
- insulation
- supply load
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Abstract
The utility model discloses a medium voltage double-power load switch, which comprises a frame, a transmission assembly and a main loop assembly, wherein the transmission assembly is arranged in the frame, the main loop assembly comprises a first insulated fixed beam, a second insulated fixed beam, a third insulated fixed beam, three first fixed contacts, three second fixed contacts, three moving contacts and three conductive supports, wherein the three first fixed contacts are respectively arranged on the second insulated fixed beam, the three second fixed contacts are respectively on the first insulated fixed beam, the three conductive supports are arranged on the third insulated fixed beam, the fixed ends of the moving contacts are rotatablely arranged on the conductive supports, the middle ends of the moving contacts are connected to the transmission assembly, and the movable ends of the moving contacts are respectively contacted with the first fixed contacts or the second fixed contacts when rotating. The utility model has the advantages that: the usage quantity of switches and switch cabinets is reduced so that the cost is effectively reduced; power quick switching can be realized when a line has faults so that too large economic loss to a user can be avoided; and the reliability and the efficiency of a power supply system can be improved.
Description
[technical field]
The utility model relates to the electric switch field, relates in particular to a kind of middle double power-supply load swith of pressing.
[background technology]
Middle pressure double power-supply load swith is that rated voltage is the switchgear of 12～24kV; Adopt SF6 gas as arc extinguishing and dielectric; There are two fixed contacts and a moving contact in switch inside; Through cooperating dual spring operating mechanism and electronic assistance aids, moving contact is switched between two fixed contacts, realize the quick handoff functionality of power supply.
The mode of domestic present application is, adopts two switches and is used for realizing switching, and so just needs two complete main incoming line cabinets and several cabinet types that match, and cost is higher relatively.And when running into line fault, can not switch fast when needing to switch another circuit, make the user suffer bigger loss economically.
[utility model content]
The purpose of the utility model solves the problems of the prior art exactly; A kind of middle double power-supply load swith of pressing is proposed; Do not need two complete cupboards or two switches, reduce greatly on the cost, and can when line fault, realize automatically switching fast; Make the user be unlikely to when long-time the power failure, to suffer greater loss economically.
For realizing above-mentioned purpose; The utility model provides a kind of middle double power-supply load swith of pressing; Comprise framework, transmission component and major loop assembly, said transmission component is installed in the framework, and the major loop assembly comprises the first insulation built-in beam, the second insulation built-in beam, the 3rd insulation built-in beam, 3 first fixed contacts, 3 second fixed contacts, 3 moving contacts and 3 conducting brackets; 3 first fixed contacts are installed on the second insulation built-in beam; 3 second fixed contacts are installed on the first insulation built-in beam, and conducting bracket is installed on the 3rd insulation built-in beam, and the stiff end of moving contact is installed in rotation on the conducting bracket; The intermediate ends of moving contact is connected on the transmission component, and the movable end of moving contact can contact with first fixed contact or second fixed contact respectively under the situation of rotating.
As preferably, said framework comprises left plate, right plate, first built-in beam, second built-in beam and the 3rd built-in beam, adopts first built-in beam, second built-in beam to be connected with the 3rd built-in beam between left plate and the right plate, and simple in structure, cost is low.
As preferably, the said first insulation built-in beam is installed on first built-in beam, and the second insulation built-in beam is installed on second built-in beam, and the 3rd insulation built-in beam is installed on the 3rd built-in beam, and is simple in structure, easy for installation.
As preferably, said transmission component comprises movingly, main shaft, 3 connecting levers and 3 connecting rods, the said left end that is installed in main shaft movingly, and main shaft passes the axis hole of 3 connecting levers, is connected with a connecting rod on each connecting lever, and is simple in structure.
As preferably, the intermediate ends of said moving contact is connected with connecting rod through pivot pin, and syndeton is simple, and is easy for installation.
As preferably, on said first fixed contact first arc-chute is installed also, second arc-chute also is installed on second fixed contact, further improved security performance.
The beneficial effect of the utility model: the utility model has reduced the usage quantity of switch and switch cubicle; Effectively reduce cost; Can realize that when line fault power supply switches fast, avoid the user to cause excessive economic loss, improve the reliability and the high efficiency of electric power system.
Characteristic of the utility model and advantage will combine accompanying drawing to be elaborated through embodiment.
[description of drawings]
Fig. 1 is the structural representation of pressing double power-supply load swith in the utility model;
Fig. 2 is the A-A cutaway view of Fig. 1.
[embodiment]
Like Fig. 1, shown in 2, middle pressure double power-supply load swith comprises framework, transmission component and major loop assembly three parts, and transmission component is installed in the framework, and the major loop assembly is connected with transmission component.
The major loop assembly comprises the first insulation built-in beam 4, the second insulation built-in beam 6, the 3rd insulation 16,3 moving contacts 12 of 13,3 second fixed contacts of 9,3 first fixed contacts of built-in beam and 3 conducting brackets 11; 3 first fixed contacts 13 are installed on the second insulation built-in beam 6; 3 second fixed contacts 16 are installed on the first insulation built-in beam 4; Conducting bracket 11 is installed on the 3rd insulation built-in beam 9; The stiff end of moving contact 12 is installed in rotation on the conducting bracket 11, and the intermediate ends of moving contact 12 is connected on the transmission component, and the movable end of moving contact 12 can contact with first fixed contact 13 or second fixed contact 16 respectively under the situation of rotating; Also be equipped with on first fixed contact 13 on first arc-chute, 14, the second fixed contacts 16 second arc-chute 15 also is installed.First fixed contact 13 and second fixed contact 16 are installed in the double power-supply load swith, and moving contact 12 switches between two fixed contacts (first fixed contact 13 and second fixed contact 16), realizes reliable, the efficient switching of power supply.
Framework comprises left plate 2, right plate 5, first built-in beam 3, second built-in beam 7 and the 3rd built-in beam 10; Adopt first built-in beam 3, second built-in beam 7 to be connected between left plate 2 and the right plate 5 with the 3rd built-in beam 10; The said first insulation built-in beam 4 is installed on first built-in beam 3; The second insulation built-in beam 6 is installed on second built-in beam 7, and the 3rd insulation built-in beam 9 is installed on the 3rd built-in beam 10.
Transmission component comprises movingly 1,8,3 connecting levers 18 of main shaft and 3 connecting rods 17; Said movingly 1 be installed in main shaft 8 left end; Main shaft 8 passes the axis hole of 3 connecting levers 18; Be connected with a connecting rod 17 on each connecting lever 18, simple in structure, the intermediate ends of said moving contact 12 is connected with connecting rod 17 through pivot pin.
Operation principle: press double power-supply load swith to be sealed in the metal cabinet that is welded by corrosion resistant plate in this; Inside is filled with the SF6 gas that relative pressure is 0.4bar; And adopting first arc-chute 14, second arc-chute 15 to carry out arc extinguishing, switch is provided with two fixed contacts (first fixed contact 13 and second fixed contact 16), moving contact 12, movingly 1.By mechanism's output energy; Through 1 passing to main shaft 8 movingly; Main shaft 8 drives three groups of connecting levers 18 and makes 12 swings of three groups of moving contacts with connecting rod 17; Utilize SF6 gas and arc-chute arc extinguishing, the movable end that makes moving contact 12 is at two fixed contacts (first fixed contact 13 and second fixed contact 16)) between realize to switch.
The foregoing description is the explanation to the utility model, is not the qualification to the utility model, any protection range that scheme after the utility model simple transformation is all belonged to the utility model.
Claims (6)
1. middle pressure double power-supply load swith; It is characterized in that: comprise framework, transmission component and major loop assembly; Said transmission component is installed in the framework; The major loop assembly comprises the first insulation built-in beam, the second insulation built-in beam, the 3rd insulation built-in beam, 3 first fixed contacts, 3 second fixed contacts, 3 moving contacts and 3 conducting brackets, and 3 first fixed contacts are installed on the second insulation built-in beam, and 3 second fixed contacts are installed on the first insulation built-in beam; Conducting bracket is installed on the 3rd insulation built-in beam; The stiff end of moving contact is installed in rotation on the conducting bracket, and the intermediate ends of moving contact is connected on the transmission component, and the movable end of moving contact can contact with first fixed contact or second fixed contact respectively under the situation of rotating.
2. press double power-supply load swith in as claimed in claim 1; It is characterized in that: said framework comprises left plate, right plate, first built-in beam, second built-in beam and the 3rd built-in beam, adopts first built-in beam, second built-in beam to be connected with the 3rd built-in beam between left plate and the right plate.
3. press double power-supply load swith in as claimed in claim 2, it is characterized in that: the said first insulation built-in beam is installed on first built-in beam, and the second insulation built-in beam is installed on second built-in beam, and the 3rd insulation built-in beam is installed on the 3rd built-in beam.
4. like claim 1 or the 2 or 3 described middle double power-supply load swiths of pressing; It is characterized in that: said transmission component comprises movingly, main shaft, 3 connecting levers and 3 connecting rods; The said left end that is installed in main shaft movingly, main shaft passes the axis hole of 3 connecting levers, is connected with a connecting rod on each connecting lever.
5. press double power-supply load swith in as claimed in claim 4, it is characterized in that: the intermediate ends of said moving contact is connected with connecting rod through pivot pin.
6. press double power-supply load swith in as claimed in claim 1, it is characterized in that: on said first fixed contact first arc-chute is installed also, second arc-chute also is installed on second fixed contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203098713U CN202190118U (en) | 2011-08-24 | 2011-08-24 | Medium voltage double-power load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203098713U CN202190118U (en) | 2011-08-24 | 2011-08-24 | Medium voltage double-power load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202190118U true CN202190118U (en) | 2012-04-11 |
Family
ID=45921551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203098713U Expired - Lifetime CN202190118U (en) | 2011-08-24 | 2011-08-24 | Medium voltage double-power load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202190118U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409253A (en) * | 2014-11-27 | 2015-03-11 | 无锡飞世龙机电有限公司 | Load switch with operating mechanism |
| CN104409271A (en) * | 2014-11-27 | 2015-03-11 | 无锡飞世龙机电有限公司 | Load switch and break switch with same |
-
2011
- 2011-08-24 CN CN2011203098713U patent/CN202190118U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409253A (en) * | 2014-11-27 | 2015-03-11 | 无锡飞世龙机电有限公司 | Load switch with operating mechanism |
| CN104409271A (en) * | 2014-11-27 | 2015-03-11 | 无锡飞世龙机电有限公司 | Load switch and break switch with same |
| CN104409253B (en) * | 2014-11-27 | 2016-08-17 | 无锡飞世龙机电有限公司 | A kind of on-load switch with operating mechanism |
| CN104409271B (en) * | 2014-11-27 | 2017-07-07 | 无锡飞世龙机电有限公司 | A kind of load switch and its on-load switch being made up of load switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG ELECTRIC POWER COMPANY HUZHOU POWER OFFIC Effective date: 20140114 Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: HUZHOU TALENT POWER SALES + TECHNOLOGY SERVICE CO., LTD. Effective date: 20140114 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 313000 HUZHOU, ZHEJIANG PROVINCE TO: 100031 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140114 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Zhejiang Electric Power Company Patentee after: Huzhou Power Office Patentee after: Huzhou Talent Power Sales & Technology Service Co., Ltd. Address before: 313000 No. 178 Lu Wang Road, Wuxing District, Zhejiang, Huzhou Patentee before: Huzhou Talent Power Sales & Technology Service Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120411 |